CA3090301A1 - Methods and systems for producing content in multiple reality environments - Google Patents
Methods and systems for producing content in multiple reality environments Download PDFInfo
- Publication number
- CA3090301A1 CA3090301A1 CA3090301A CA3090301A CA3090301A1 CA 3090301 A1 CA3090301 A1 CA 3090301A1 CA 3090301 A CA3090301 A CA 3090301A CA 3090301 A CA3090301 A CA 3090301A CA 3090301 A1 CA3090301 A1 CA 3090301A1
- Authority
- CA
- Canada
- Prior art keywords
- depth
- stream
- geometry
- video
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 299
- 230000008569 process Effects 0.000 claims description 144
- 238000009877 rendering Methods 0.000 claims description 94
- 238000000605 extraction Methods 0.000 claims description 53
- 238000004519 manufacturing process Methods 0.000 claims description 47
- 230000001419 dependent effect Effects 0.000 claims description 38
- 239000000872 buffer Substances 0.000 claims description 32
- 239000012634 fragment Substances 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 29
- 230000011218 segmentation Effects 0.000 claims description 24
- 230000008570 general process Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 230000003190 augmentative effect Effects 0.000 abstract description 29
- 230000000875 corresponding effect Effects 0.000 description 66
- 238000003860 storage Methods 0.000 description 23
- 238000012856 packing Methods 0.000 description 16
- 230000015654 memory Effects 0.000 description 15
- 238000002156 mixing Methods 0.000 description 15
- 239000011159 matrix material Substances 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 9
- 238000013459 approach Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 230000009466 transformation Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000003709 image segmentation Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000010845 search algorithm Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/04—Texture mapping
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/08—Volume rendering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
- G06T15/40—Hidden part removal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/036—Insert-editing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/111—Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation
- H04N13/117—Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation the virtual viewpoint locations being selected by the viewers or determined by viewer tracking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/15—Processing image signals for colour aspects of image signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/194—Transmission of image signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/243—Image signal generators using stereoscopic image cameras using three or more 2D image sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/246—Calibration of cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/271—Image signal generators wherein the generated image signals comprise depth maps or disparity maps
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10028—Range image; Depth image; 3D point clouds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/003—Aspects relating to the "2D+depth" image format
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Graphics (AREA)
- Signal Processing (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- Image Generation (AREA)
- Processing Or Creating Images (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862640285P | 2018-03-08 | 2018-03-08 | |
US62/640,285 | 2018-03-08 | ||
PCT/US2019/021281 WO2019173672A1 (en) | 2018-03-08 | 2019-03-08 | Methods and systems for producing content in multiple reality environments |
Publications (1)
Publication Number | Publication Date |
---|---|
CA3090301A1 true CA3090301A1 (en) | 2019-09-12 |
Family
ID=67846311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA3090301A Pending CA3090301A1 (en) | 2018-03-08 | 2019-03-08 | Methods and systems for producing content in multiple reality environments |
Country Status (5)
Country | Link |
---|---|
US (3) | US11288864B2 (de) |
EP (1) | EP3762901A4 (de) |
CA (1) | CA3090301A1 (de) |
IL (1) | IL277221A (de) |
WO (1) | WO2019173672A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115115780A (zh) * | 2022-06-29 | 2022-09-27 | 聚好看科技股份有限公司 | 基于多视角rgbd相机的三维重建方法及系统 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10387730B1 (en) | 2017-04-20 | 2019-08-20 | Snap Inc. | Augmented reality typography personalization system |
US11348269B1 (en) * | 2017-07-27 | 2022-05-31 | AI Incorporated | Method and apparatus for combining data to construct a floor plan |
EP3762901A4 (de) * | 2018-03-08 | 2021-11-17 | Simile Inc. | Verfahren und systeme zur herstellung von inhalt in umgebungen mit mehreren realitäten |
US11972529B2 (en) * | 2019-02-01 | 2024-04-30 | Snap Inc. | Augmented reality system |
JP7247327B2 (ja) * | 2019-04-01 | 2023-03-28 | グーグル エルエルシー | ダイナミックデプス画像を撮影して編集するための手法 |
JP7269515B2 (ja) * | 2019-05-29 | 2023-05-09 | 日本電信電話株式会社 | 映像生成装置、映像生成方法、及び映像生成プログラム |
JP2022551064A (ja) * | 2019-10-02 | 2022-12-07 | インターデジタル ブイシー ホールディングス フランス,エスアーエス | 容積ビデオを符号化、送信、及び復号化するための方法及び装置 |
US20220414983A1 (en) * | 2019-11-19 | 2022-12-29 | Sony Group Corporation | Information processing device, information processing method, and program |
US11734873B2 (en) * | 2019-12-13 | 2023-08-22 | Sony Group Corporation | Real-time volumetric visualization of 2-D images |
JP7388451B2 (ja) * | 2019-12-26 | 2023-11-29 | 日本電気株式会社 | 情報処理装置、制御方法及びプログラム |
CN113256745A (zh) | 2020-02-13 | 2021-08-13 | 英特尔公司 | 用于基于重要度值来编码的方法和装置 |
CN115298708A (zh) * | 2020-03-30 | 2022-11-04 | 上海科技大学 | 多视角神经人体渲染 |
US12076868B2 (en) * | 2020-04-08 | 2024-09-03 | Robim Technologies Inc. Of Canada | Cloud based computer-implemented visually programming method and system for robotic motions in construction |
US12008740B2 (en) * | 2020-08-12 | 2024-06-11 | Niantic, Inc. | Feature matching using features extracted from perspective corrected image |
CN112598778B (zh) * | 2020-08-28 | 2023-11-14 | 国网陕西省电力公司西咸新区供电公司 | 一种基于改进的纹理贴图算法的vr三维重建方法 |
EP4016464A1 (de) * | 2020-11-26 | 2022-06-22 | Ricoh Company, Ltd. | Vorrichtung, system, verfahren und trägermittel |
EP4033451A1 (de) * | 2021-01-20 | 2022-07-27 | Siemens Healthcare GmbH | Interaktive bildbearbeitung mit hilfe vorzeichenbehafteter abstandsfelder |
US11688126B2 (en) * | 2021-02-09 | 2023-06-27 | Canon Medical Systems Corporation | Image rendering apparatus and method |
US12039645B1 (en) * | 2021-03-04 | 2024-07-16 | Apple Inc. | Edge contribution techniques for vector graphics rendering |
CN113129391B (zh) * | 2021-04-27 | 2023-01-31 | 西安邮电大学 | 基于多曝光图像特征分布权重的多曝光融合方法 |
US11501530B1 (en) | 2021-09-08 | 2022-11-15 | International Business Machines Corporation | Spatio-temporal relation based MR content positioning |
US20220012860A1 (en) * | 2021-09-23 | 2022-01-13 | Intel Corporation | Methods and apparatus to synthesize six degree-of-freedom views from sparse rgb-depth inputs |
US20240019979A1 (en) * | 2022-07-15 | 2024-01-18 | Lenovo (Singapore) Pte. Ltd. | Conversion of 3d virtual actions into 2d actions |
CN115270032B (zh) * | 2022-08-10 | 2023-04-25 | 上海图客科技有限公司 | 一种基于WebGL的动态高清文字显示方法及系统 |
EP4345759A1 (de) * | 2022-09-30 | 2024-04-03 | Koninklijke Philips N.V. | Erzeugung einer angepassten netzdarstellung für eine szene |
CN115439616B (zh) * | 2022-11-07 | 2023-02-14 | 成都索贝数码科技股份有限公司 | 基于多对象图像α叠加的异构对象表征方法 |
WO2024177293A1 (ko) * | 2023-02-21 | 2024-08-29 | 삼성전자주식회사 | 디스플레이를 통해 표시되는 가상 공간 상에 외부 공간에 대응하는 이미지를 표시하기 위한 전자 장치, 방법, 및 컴퓨터 판독 가능 저장 매체 |
CN117156258B (zh) * | 2023-10-24 | 2024-01-23 | 北京优贝在线网络科技有限公司 | 一种基于全景直播的多视角自切换系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8542252B2 (en) | 2009-05-29 | 2013-09-24 | Microsoft Corporation | Target digitization, extraction, and tracking |
US9607424B2 (en) | 2012-06-26 | 2017-03-28 | Lytro, Inc. | Depth-assigned content for depth-enhanced pictures |
US9171403B2 (en) * | 2014-02-13 | 2015-10-27 | Microsoft Technology Licensing, Llc | Contour completion for augmenting surface reconstructions |
TWI529662B (zh) * | 2014-12-15 | 2016-04-11 | 財團法人工業技術研究院 | 基於深度資訊的模型建構方法、圖形處理裝置與紀錄媒體 |
US9928645B2 (en) * | 2015-04-17 | 2018-03-27 | Microsoft Technology Licensing, Llc | Raster-based mesh decimation |
US10366534B2 (en) | 2015-06-10 | 2019-07-30 | Microsoft Technology Licensing, Llc | Selective surface mesh regeneration for 3-dimensional renderings |
GB2543778B (en) * | 2015-10-27 | 2018-08-08 | Imagination Tech Ltd | Systems and methods for processing images of objects |
US10580143B2 (en) * | 2015-11-04 | 2020-03-03 | Intel Corporation | High-fidelity 3D reconstruction using facial features lookup and skeletal poses in voxel models |
CN109791442B (zh) * | 2016-10-05 | 2023-04-18 | 奇跃公司 | 表面建模系统和方法 |
WO2018136262A1 (en) * | 2017-01-20 | 2018-07-26 | Aquifi, Inc. | Systems and methods for defect detection |
US10565802B2 (en) * | 2017-08-31 | 2020-02-18 | Disney Enterprises, Inc. | Collaborative multi-modal mixed-reality system and methods leveraging reconfigurable tangible user interfaces for the production of immersive, cinematic, and interactive content |
US10565719B2 (en) * | 2017-10-13 | 2020-02-18 | Microsoft Technology Licensing, Llc | Floor detection in virtual and augmented reality devices using stereo images |
EP3762901A4 (de) * | 2018-03-08 | 2021-11-17 | Simile Inc. | Verfahren und systeme zur herstellung von inhalt in umgebungen mit mehreren realitäten |
-
2019
- 2019-03-08 EP EP19763612.9A patent/EP3762901A4/de active Pending
- 2019-03-08 US US16/979,000 patent/US11288864B2/en active Active
- 2019-03-08 CA CA3090301A patent/CA3090301A1/en active Pending
- 2019-03-08 WO PCT/US2019/021281 patent/WO2019173672A1/en active Application Filing
-
2020
- 2020-09-08 IL IL277221A patent/IL277221A/en unknown
-
2022
- 2022-03-23 US US17/702,215 patent/US11721071B2/en active Active
-
2023
- 2023-08-07 US US18/230,888 patent/US20230377269A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115115780A (zh) * | 2022-06-29 | 2022-09-27 | 聚好看科技股份有限公司 | 基于多视角rgbd相机的三维重建方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
EP3762901A4 (de) | 2021-11-17 |
US20220215628A1 (en) | 2022-07-07 |
IL277221A (en) | 2020-10-29 |
US20230377269A1 (en) | 2023-11-23 |
EP3762901A1 (de) | 2021-01-13 |
US11721071B2 (en) | 2023-08-08 |
US11288864B2 (en) | 2022-03-29 |
US20210375044A1 (en) | 2021-12-02 |
WO2019173672A1 (en) | 2019-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11721071B2 (en) | Methods and systems for producing content in multiple reality environments | |
CN111656407B (zh) | 对动态三维模型的视图进行融合、纹理化和绘制 | |
KR102560187B1 (ko) | 3차원("3d") 장면의 2차원("2d") 캡처 이미지를 기반으로 하는 가상 현실 콘텐츠를 렌더링하기 위한 방법 및 시스템 | |
Yemez et al. | 3D reconstruction of real objects with high resolution shape and texture | |
US11232628B1 (en) | Method for processing image data to provide for soft shadow effects using shadow depth information | |
KR102581134B1 (ko) | 광 강도 이미지를 생성하기 위한 장치 및 방법 | |
US11227428B2 (en) | Modification of a live-action video recording using volumetric scene reconstruction to replace a designated region | |
US9224233B2 (en) | Blending 3D model textures by image projection | |
Unger et al. | Spatially varying image based lighting using HDR-video | |
CN115715464A (zh) | 用于遮挡处理技术的方法和装置 | |
Lee et al. | Real time 3D avatar for interactive mixed reality | |
Kunert et al. | An efficient diminished reality approach using real-time surface reconstruction | |
KR20210129685A (ko) | 광 강도 이미지를 생성하기 위한 장치 및 방법 | |
Božič et al. | Neural assets: Volumetric object capture and rendering for interactive environments | |
Chang et al. | Interactive videos: plausible video editing using sparse structure points | |
Hillman et al. | Issues in adapting research algorithms to stereoscopic visual effects | |
CN113781618B (zh) | 三维模型的轻量化方法、装置、电子设备和存储介质 | |
US11887274B2 (en) | Method for interpolating pixel data from image data having depth information | |
Keinert et al. | Light field processing for media applications | |
Gera | Casual Scene Capture and Editing for AR/VR Applications | |
Francois | Semantic, interactive manipulation of visual data | |
Kravetz | Polyhedral Hull Online Compositing System: Texturing and Reflections | |
CN115760555A (zh) | 球幕图像的合成方法及装置 | |
Frick et al. | LDV generation from multi-view hybrid image and depth video | |
Haccius et al. | A Novel Scene Representation for Digital Media |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |
Effective date: 20240308 |